{% load static %}
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>showimg</title>
    <link rel="stylesheet" href="{% static '/css/base.css' %}">
</head>
<body>

<img class="pic" src="{% static "img/gangshou.jpg"%}" alt="暂无图片">
<a href="{% url 'app1:downfile' 'gangshou.jpg' %}">下载</a>
</body>
</html>